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Can We Install Hubs Into Our Tractor on Our Own?

Can a small team install new hubs into a tractor on their own? This video documents the entire DIY process, showing the tools, challenges, and successful installation of the new hubs. 'Deplorable' ...
Frontiers

New insight into the composition of the lunar surface from SiO2 map

1 State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan Univesity, Wuhan, China 2 North China Institute of Science and Technology, Langfang, China The final, ...